#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
const int NMAX = 102;
int rf[NMAX][NMAX], N;

int main()
{
    fin>>N;
    for(int i = 1; i <= N; i++)
        for(int j = 1; j <= N; j++)
            fin>>rf[i][j];
    for(int k = 1; k <= N; k++)
        for(int i = 1; i <= N; i++) {
            for(int j = 1; j <= N; j++)
            {
                if(i == j) continue;
                rf[i][j] = (rf[i][j] ? min(rf[i][j], rf[i][k] + rf[k][j]) : rf[i][k] + rf[k][j]);
            }
        }
        for(int i = 1; i <= N; i++) {
            for(int j = 1; j <= N; j++)
                fout << rf[i][j] << " ";
            fout<<endl;
        }
    return 0;
}